Lehle Mono Volume l mt pedal chnh m lng c trang b cm bin t tnh chnh xc, cho php hot ng gn nh khng b mi mn. Cm bin ny s dng hiu ng Hall, c t tn theo Edwin Hall, o cng ca cc trng t. Trong Lehle Mono Volume, cm bin Hall c sn xut ti c v c hiu chnh chnh xc vi nam chm tch hp v phm vi iu khin ca pedal. Pedal ch di chuyn nam chm, khong cch c o bi cm bin Hall iu khin mt VCA.
Mt VCA Blackmer cao cp (= Voltage Controlled Amplifier) t Hoa K thay th cho bin tr c hc. Nguyn l ca b khuch i iu khin in p da trn thc t rng khuch i c th thay i bng in p iu khin t cm bin Hall. K thut ny cho php pedal hot ng chnh xc hn so vi bin tr c hc thng thng hoc cm bin quang hc c s dng bi cc pedal iu chnh m lng tiu chun. Ngoi ra, ting n thng gp ca bin tr v vic iu chnh phc tp c loi b.
Trn ton b phm vi iu khin, Lehle Mono Volume truyn ti ton b ph m thanh ca nhc c. Tr khng u vo v u ra lun gi nguyn, m bo khng c s suy gim tn s cao nh vi bin tr.
Bn trong, in p u vo t cm ngun ca bn p c chnh lu, sau lc, n nh v tng gp i ln 18V, do t c di dynamic tng cng 110 dB.
iu khin m lng ca Lehle Mono Volume dao ng t -92 dB n 0 dB – t mc gn nh tt ting n cng mt m lng. Vi mt bin tr, khuch i ln n +10 dB c th c iu chnh thm.
Lehle Mono Volume hot ng c hc cc k mt m v n nh, v n c trang b vng bi ma st thp ca mt loi polymer hiu sut cao, v khng c truyn ng c hc t bn p n cc thnh phn khc. Bng cch s dng mt vt iu chnh, kh nng di chuyn ca bn p c th c iu chnh rt chnh xc.
Hn na, Lehle Mono Volume c mt u ra trc tip c m c th cung cp cho tuner, DAW hoc mt amp th hai m khng nh hng n m thanh.
c im:
B nhn in p ln 18V
- khuch i c th iu chnh
- Cm bin t tnh
- VCA Blackmer cao cp
Thng tin chi tit:
- Mc n nn: -102(A- Weighted)
- Max. Level: 3 V RMS / 11.8 dBu (at 12 V input voltage)
- Tr khng: 500
- Impedance Input: 2 M
- Total Harmonic Distortion: < 0.05 % (-10 dBu, 1 kHz)
- Dng in tiu th: 50 mA
- in p cung cp: 9 – 15 V DC
- Cao: 66 mm / 2.6″
- Chiu rng: 100 mm / 3.9″
- Chiu di: 260 mm / 10.2″
- Trng lng: 1480 g
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