Peavey FH 1 User's Manual
Contents
1. simulating the frequency content of live music situations The full measure of high frequencies in the test signal allow for exposure of the speaker system to synthesized tone that may extend beyond audibility This rating is con tingent on having a minimum 3 dB of amplifier headroom available ARCHITECTURAL amp ENGINEERING SPECIFICATIONS The loudspeaker system shall have an operating bandwidth of 58 Hz to 500 Hz The output level shall be 104 dB when measured at a distance of one meter with an input of one watt The nominal impedance shall be 8 ohms The continuous power handling shall be 350 walis maximum program power of 700 watts with a minimum amplifier headroom of 3 dB The outside dimen sions shall be 305 g wide by 253 high by 2334 deep The weight shall be 117 lbs The loudspeaker system shall be a Peavey model FH 1 ONE YEAR LIMITED WARRANTY NOTE For details refer to the warranty statement Copies of this statement may be obtained by contacting Peavey Elec tronics Corporation P O Box 2898 Meridian Mississippi 39302 2898 10 dB per division 98 4B I x d 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz kHz Figure 1 FREQUENCY RESPONSE 1O0kHz 20kHz 50 Hz 100 Hz F 5 kHz 200 Hz 500Hz kHz 2kHz Figure 2 IMPEDANCE 10 kHz 20 kHz Features and2. and transportation The FH 1 is comprised of one 15 inch 1504 4 Black Widow woofer optimally aligned within a com plex folded horn cabinet designed to use the ground floor or stage platform it rests on to extend the horn This vir tual coupling of the horn to a reflecting boundary changes the radiation load from a 4 pi or completely open en vironment to a 2 pi or hemispherical loading which effectively boosts the very low frequencies by 6 dB Connections are provided via two V4 female con nectors wired in parallel FREQUENCY RESPONSE The frequency response of the FH 1 is measured in an anechoic environment at a distance of 1 meter while using a 2 82 volt logarithmically swept sine in put This measurement is useful in determining the accuracy in which the enclosure reproduces the input signal The combination of the 15 1504 Black Widow along with the field horn design results in a flat desirable response as shown in Figure 1 ENE POWER HANDLING There are many different approaches to power handling ratings Peavey rates this speaker system s power handling using a modified form of the AES Stan dard 2 1984 Utilizing audio band 20 Hz 20 KHz pink noise with peaks over four times the RMS level this strenuous test signa assures the user that every portion of this system can withstand to day s high technology music The test signal contains large amounts of very low frequency energy effectively
3. ma PEAVEY ELECTRONICS FH 1 Compact High Level Folded Horn Low Frequency System SPECIFICATIONS Enclosure FH 1 Frequency Response 1 Meter on Axis Swept Sine Averaged Across Operating Bandwidth in Anechoic Environment 58 Hz 500 Hz Low Frequency Limit 3 dB point 58 Hz Useable Low Frequency Limit 10 dB point ref avg level 45 Hz Power Handling 350 watts continuous 52 9 volts RMS 700 watts program Sound Pressure Level 1 Watt at 1 Meter Swept Sine Input in Anechoic Environment 104 dB Maximum Sound Pressure Level 127 dB Transducer Complement One 15 model 1504 4 Biack Widow low frequency driver Impedance Nominal 8 ohms Impedance Minimum 5 6 ohms Input Connections Two 1 4 female connectors in parallel Enclosure Materials and Finish 7 ply high density 34 plywood spiatter paint Dimensions 305 3 77 8 cm W x 253 8 64 5 cm H x 2344 57 8 cm D Net Weight 117 Ibs DESCRIPTION The FH 1 is a low frequency folded horn enclasure designed to work as the low end of the Project Two Series high level sound reinforcement system or can work alone as a bass monitor Its folded horn design combines efficiency and bandwidth into a compact yet powerful enclosure The cabinet is con structed of 7 ply 34 high density plywood splatter painted and reinforced with steel corners Recessed handles on each side aid in convenient set up
4. specifications subject to change without notice Peavey Electronics Corporation 711 A Street Meridian MS 39301 U S A 601 483 5365 Telex 504115 Fax 486 1278 1992 80301013 Printed in U S A 12 92
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