2-Band 9 volt or 18 volt Preamp/Tone control

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PICKUPS AND ELECTRONICS Treble 50KΩ Linear Bass 50KΩ Linear Blend Dual 250KΩ 5A5C The NTBT-918 is a tone control preamp with fully independent Bass and Treble controls with very low noise and wide boost/cut range. The sound is extremely clear and transparent. Distortion is well below 0.001%. This preamp can be used with either a single 9 volt battery ( 9 volt operation) or two 9 volt batteries (18 volt operation) which yields 6dB extra headroom. 2-Band 9 volt or 18 volt Preamp/Tone control NTBT-918 In 9 volt operation the NTBT-918 uses approximately 750 microamperes of current from 1 - 9 volt battery. This means 1 month of continuous duty or more than 6 months of average usage. In 18 volt operation the NTBT-918 uses approximately 1000 microamperes of current from 2 - 9 volt batteries. This means more than 3 weeks of continuous duty or more than 4 months of average usage. The negative side of the battery(ies) should be connected to the jack ring so that power is turned on only when the plug is in. Unplug the instrument when not in use to conserve your battery. 9 volt OR 18 volt black Bridge Pickup Neck Pickup blue grey white green yellow 2.7KΩ 10KΩ Gain The NTBT-918 features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. Vol 25KΩ Audio green black black black red Gain Bass Treble Out Gain Battery+ Ground DO NOT USE MORE THAN 18 VOLT SUPPLY VOLTAGE OR EXTERNAL POWER SUPPLIES In R171015.1 Response Bass Mid Treble NTBT +/-15dB@30Hz Center@400Hz +/-16dB@6KHz

Transcript of 2-Band 9 volt or 18 volt Preamp/Tone control

Page 1: 2-Band 9 volt or 18 volt Preamp/Tone control

PICKUPS AND ELECTRONICS

Treble50KΩLinear

Bass50KΩLinear

BlendDual

250KΩ5A5C

The NTBT-918 is a tone control preamp with fully independent Bass and Treble controls with very low noise and wide boost/cut range. The sound is extremely clear and transparent. Distortion is well below 0.001%.This preamp can be used with either a single 9 volt battery ( 9 volt operation) or two 9 volt batteries (18 volt operation) which yields 6dB extra headroom.

2-Band 9 volt or 18 volt Preamp/Tone control

NTBT-918

In 9 volt operation the NTBT-918 uses approximately 750 microamperes of current from 1 - 9 volt battery. This means 1 month of continuous duty or more than 6 months of average usage. In 18 volt operation the NTBT-918 uses approximately 1000 microamperes of current from 2 - 9 volt batteries. This means more than 3 weeks of continuous duty or more than 4 months of average usage.The negative side of the battery(ies) should be connected to the jack ring so that power is turned on only when the plug is in. Unplug the instrument when not in use to conserve your battery.

9 voltOR

18 volt

black BridgePickup

NeckPickup

blu

egr

ey

wh

ite

green

yellow2

.7KΩ

10KΩ

Gain

The NTBT-918 features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response.

Vol25KΩAudio

green

black

black

blackred

Gai

n

Bas

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Treb

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Ou

t

Gai

nB

atte

ry+

Gro

un

d

DO NOT USE MORE THAN 18 VOLT SUPPLY VOLTAGE OR EXTERNAL POWER SUPPLIES

In

R171015.1

Response Bass Mid Treble

NTBT +/-15dB@30Hz Center@400Hz +/-16dB@6KHz

Page 2: 2-Band 9 volt or 18 volt Preamp/Tone control

PICKUPS AND ELECTRONICS

Vol250KΩAUDIO

B/TStacked

50KΩLinear

BlendGanged 250KΩ5A5C

Vol250KΩAUDIO

Active/Passive Wiring as on “AP” Harnesses HR-3.3AP and HR-4.5AP

NTBT-918

black BridgePickup

NeckPickup

green

green

yellow

Stacked Bass/Treble as on HR-2.2 and HR-3.3

Bass

black NeckPickup

BridgePickup

Vol250KΩAUDIO

Vol250KΩAUDIO

green

yellow

Active/Passive Wiring as on HR-4.2AP Harness

yello

w

Treble

Configuration Options on Standard Pre-Wired Harnesses

Single Pickup Active/Passive Wiring as on HR-2.2AP and HR-2.3AP Harness

Ground – Connected to preinstalled bare wire. Connect to cavity shield if available. Also ensure bridge is connected to ground.

blackSinglePickup

green

yellow

R150722.1