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USER MANUAL for Kolster

1. Your radio has been sealed with a modern synthetic varnish and polished with furniture wax which provides a long tasting durable protection The wax finish can be refreshed with energetic buffing Occasionally apply a thin coat of wax and buff to a high sheen but avoid frequent over waxing as the wax layers can build up trapping fine dirt and dust which dimishes the appearance Retro Lux is a trading name of Contrelec Ltd Page 5 High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 6 Guarantee This product is guaranteed for six months from the date of delivery to the original owner against failure due to faulty workmanship or component breakdown subject to the procedure stated below Should any component or part fail during this guarantee period it will be repaired or replaced free of charge This guarantee does not cover e Damage resulting from incorrect use e Products which have been altered or tampered with externally or internally e Consequential damage Any claim under this guarantee should be made by contacting Retro Lux or the dealer from whom the product was purchased to see if the problem can be rectified Should it be necessary to return the product for repair or replacement instructions for its return will be provided by Retro Lux These statements do not affect your statutory rights as a consumer 7 Specifications
2. Power Supply Input Supply Batteries Amplifier Power Output Mode Distortion Audio Source Tone Control Loudspeaker Type Impedance Frequency Power Dimensions Width Depth Height 220 240 VAC 60W 50 60 Hz inrush lt 50 A peak 230 VAC cold start 25C None fitted 20W RMS 30W Music Power Mono 2 at maximum power Internal Bluetooth receiver Volume proportionate loudness single tone control with bass treble cut and boost 6 5 inch Dual Cone Full Range 8 ohms SOHz 18kHz SOW RMS 100W Peak SPL 1W Im 90dB 30cm at base 21cm 33cm including ball feet and control knobs 5 7kg excluding batteries Tel 44 0 1494 526270 Retro Lux is a trading name of Contrelec Ltd Page 6 High Wycombe e Bucks e England Email info retro lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 8 History The Kolster Brandes 253 AC mains valve radio was originally made around 1931 by Kolster Brandes Ltd based in Foots Cray Sidcup a suburb of London The set is housed in a stained oak case The set was controlled by a set of plugs on both sides of the box two control knobs on top and a central rotary control which adjusted the loudspeaker solenoid Internally the loudspeaker was a reed type with 9 paper cone which completely spanned the front fretcut aperture The valves were early 1930 s types and mounted on a bakelite panel and wooden chassis The radio was cap
3. USER MANUAL for Kolster Brandes 253 Project No 5056 USER MANUAL Kolster Brandes 253 Project No 5056 Table of Contents I OCR 2 2 POW Gl COMME C HOM ee ee E 2 3 ROEM US ee ee ee 3 54 OMT NOR 3 o 3 4 Bco CATO nee E eruee 4 CARS IN SN ses bees E E E 9 3 1 Fo Gonne Ihe RO a a fos e 5 5 2 CI CUIDA 5 6 ITIN S METIDO UEM 6 7 DP CUI E EE TTE OTT 6 8 Ina nee genoa een ee ee en re arte eier 7 Retro Lux is a trading name of Contrelec Ltd Page 1 High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 Introduction Thank you for buying one of our beautiful radios We hope it will provide hours of trouble free high quality entertainment Your radio is easy to set up and use and with a few simple precautions will continue to look good and operate efficiently for many years AS WARNING ELECTRIC SHOCK RISK This unit contains no user serviceable parts Under no circumstances remove the rear panel with the mains voltage connected 2 Power Connection The power mains power connection is via an IEC connector fitted at the rear Insert the supplied power lead and connect to a mains outlet Switch on the supply at the mains outlet and then operate the mains switch on the unit The switch will i
4. lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 5 Care and Cleaning 5 1 Positioning the Radio Do not allow this product to be exposed to water steam or sand Do not leave your radio where excessive heat could cause damage such as in a parked car or in a conservatory where the heat from the sun can build up even though the outside temperature may not seem too high Do not position the radio close to a radiator or other type of heater Your radio should not be exposed to dripping or splashing water and no objects filled with liquids such as vases should be placed on the radio It is recommended to operate the product such that there is a minimum distance 10cm recommended to adjacent objects in order to ensure good ventilation The ventilation of the product should not be restricted by covering it its ventilation openings or heatsink with items such as newspapers tablecloths curtains etc No naked flame sources such as lighted candles should be placed on or near the product Do not place this product in an area which receives direct sunlight as this can cause fading to the finish 5 2 Cleaning Your radio will only need cleaning from time to time with a soft duster or lint free cloth Splashes and other marks can be wiped with a damp cloth Under no circumstances use household cleaning products solvents or cleaners as they are liable to damage the finish Do not use silicone based polishes
5. able of receiving medium and long wavebands and originally cost 7 10s 0d equivalent to 437 42 in today s money When we received this model we had no idea what lay under the light coloured paint or varnish which coated it probably an earlier untidy attempt to spruce up When the paint varnish was stripped back the original stained oak case was revealed There was some water damage and a place where it looked like a cigarette had been placed an allowed to burn down The speaker fabric was torn and useless and the speaker cone was similarly damaged Apart from that the case was in good condition The case was stripped and blemishes sanded out re stained and coated with a modern varnish The final effect is typical of a style popular in the period The dial scales could not be restored to a usable state having been partly covered in varnish from the previous restoration attempt so new brass ones where drawn up and fabricated The old ones were of the 180 degree type which does not match modern 270 degree versions anyway Internally the valve radio components were stripped out and a steel chassis fabricated to mount the proprietary Retro Lux PSU Power Amplifier and Tone Control PCB and control knobs The loudspeaker was replaced with a high performance 6 5 full range dual concentric 50W loudspeaker We were able to re use the back panel by fitting grilles to the apertures and fitting a modern IEC mains connector and switch so the
6. lluminate if power is present which means that the unit is in standby mode If your radio 1s equipped with rechargeable batteries this 1s also the batteries will now be charging Charge the batteries for at least 2 hours before running on batteries alone If the switch fails to illuminate first check that the mains supply is present then disconnect the supply and check the fuse in the mains plug and the unit inlet connector In the unlikely event that any of the fuses have blown the unit may be faulty Retro Lux is a trading name of Contrelec Ltd Page 2 High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 3 Controls The radio controls are as shown below nal Toe Tone Volume 3 1 On Off Volume Turn fully anti clockwise to turn the radio off Turn clockwise to firstly switch the radio on then continue turning clockwise to increase volume 3 2 Tone Turn anti clockwise to increase bass and decrease treble Turn clockwise to increase treble and decrease bass Retro Lux is a trading name of Contrelec Ltd Page 3 High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 4 Bluetooth Operation The radio requires an audio signal from a Bluetooth device such as a smartphone tablet laptop or PC If yo
7. original model rating plates and markings remain The top panel controls now comprise an on off volume control and a tone control Retro Lux is a trading name of Contrelec Ltd Page 7 High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro lux co uk Web www retro lux co uk USER MANUAL Kolster Brandes 253 Project No 5056 Retro Lux Vintage Audio Products Contrelec Ltd T A High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro lux co uk Web www retro lux co uk The information contained in this document is offered in good faith and believed to be correct at the time of issue but may be subject to alteration and amendment Content and images Copyright 2015 Retro Lux Vintage Audio Products Contrelec T A All rights reserved
8. ur device is already paired with an audio device such as headphones or a hands free headset you may have to un pair it first Please refer to your device s instructions to place the unit in scan mode to scan for Bluetooth devices With your device in scan mode turn the volume control up by about one third switch the radio on to standby mode at the power inlet and then turn on using the front panel control You should hear Bluetooth Mode from the radio and the device named YET M1 should appear in the list of available devices on your Bluetooth device Select YET MI to pair with it and if prompted enter 0000 as the code You should then hear Paired from the radio Play some audio from your device and you should hear it through the radio After pairing for the first time the two devices should pair automatically when you power up the radio unless you actively disconnect or un pair it from your device If you have difficulty pairing you may have to turn off the radio at the front panel then turn on again to initiate the pairing process and reset your device to scan mode The range of the Bluetooth receiver in the radio is about 10 metres Outside this range you may experience drop outs especially if you are in another room although reception 1s good throughout an average family sized house Retro Lux is a trading name of Contrelec Ltd Page 4 High Wycombe e Bucks e England Tel 44 0 1494 526270 Email info retro

USER MANUAL for Kolster

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