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JAM Systems
JAM Systems B8 :: 2 x 2500W - 2 x 1600W amplifier
Channels A + C ~2500W/ch (2 ohms) Channels B + D ~1600W/ch (2 ohms)
 
Product Code: JMSB8 | Brand: JAM Systems | Model: B8

   
£725.00
£604.17 ex VAT
10% Deposit: £72.50
12 payments: £54.38
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FREE
European Delivery Prices
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JAM Systems B8 :: 2 x 2500W - 2 x 1600W amplifier

Designed for bi-amp operation, this 4 channel amplifier is configured ready to run most typical bi-amp applications.

Channels A + C are high power channels - for running bass/mid - and have the following maximum power output:

2500W into 2 ohms - * EIAJ burst | 1300W into 2 ohms - ** 100Hz continuous
2350W into 4 ohms - *** 1kHz continuous | 2200W into 4 ohms @ 100Hz
1250W into 8 ohms - *** 1kHz continuous

Channels B + D are medium power channels - for running mid/high - and have the following maximum power ratings:

1700W into 2 ohms - * EIAJ burst | 850W into 2 ohms - ** 100Hz continuous | 1100W into 2 ohms - 1khz continuous
1400W into 4 ohms - *** 1kHz continuous | 1300W into 4 ohms @ 100Hz
800W into 8 ohms - *** 1kHz continuous

* EIAJ 8:32 burst power measured at 1khz, 1% THD. This represents the maximum power available for signals with a high crest factor, and is approximately equivalent to speaker's published program power. ** 2 ohm power measured with 100Hz sine wave for a 10 second burst. Current limiting reduces the continuous output at 2 ohms to appximately 1300W. This is an indicator of maximum continuous power in bass applications *** 1kHz sine wave tested for 10 second burst with 1% THD

EIAJ ratings are short term burst ratings, but are representative of mid/high signals with a typical crest factor for common music. We have tested these amplifiers at 100Hz into 2 ohms and 4 ohms for purposes of assessing bass response. Continuous signals into low impedances trigger current limiting in the amplifier (self protection) which reduces the output power. Higher crest factor signals are limited by voltage rather than current, which allow higher burst powers into 2 ohms.

For added convenience, the speakon output connectors are pre-wired for bi-amp operation:

Channel A is wired to pins 1 and 1- on speakon 1
Channel B is wired to pins 2 and 2- on speakon 1, and also to pins 1 and 1- on speakon 2.
Speakon 1 can therefore be used for bi-amp operation from channels A and B without the need of an external patch panel. Channel B can be used on its own from speakon 2 if required.

Channel C is wired to pins 1 and 1- on speakon 3
Channel D is wired to pins 2 and 2- on speakon 3 and also to pins 1 and 1- on speakon 4.
Speakon 3 can therefore be used for bi-amp operation from channels A and B without the need of an external patch panel. Channel D can be used on its own from speakon 4 if required.

Each channel has its own separate PSU and is individually fused, in the event of any failure only the affected channel will shut down, and the other channels will continue to operate as normal.

Protection: Auto mute for 2 seconds if clip level exceeded.

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