01 Marzo 2025
FB Fiberglass

PHD Audiophile Sound Systems started with just one line of speakers in 1990 and this is the natural evolution of the first line that we ever manufactured
Designed to be the best, a milestone for the industry, this line has set the standard for performance and sound quality over the decades.the Fiberglass cone single layer for regular FB products and dual layer for FB PRO is the key element for the reproduction of the detailes together with a smooth

FB LINE

Two Way Systems
FB 4.1 Kit
Two Way System with two 1.1 Tweeters, two crossovers and two FB 4.1 Mid/Basses
1" Silk Dome Neodymium Tweeter
4" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover;
Power Handling RMS/MAX: 
50/100 Watts
Sensitivity (SPL@1W): 
89dB
Frequency Response: 
55Hz - 20Khz
FB 5.1 Kit
Two Way System with two 1.1 Tweeters, two crossovers and two FB 5.1 Mid/Basses
1" Silk Dome Neodymium Tweeter
5.25" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover
Power Handling RMS/MAX: 
60/120 Watts
Sensitivity (SPL@1W): 
89dB
Frequency Response: 
45Hz - 20Khz
FB 6.1 Kit
Two Way System with two 1.1 Tweeters, two crossovers and two FB 6.1 Mid/Basses
1" Silk Dome Neodymium Tweeter
6.5" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover
Power Handling RMS/MAX: 
70/140 Watts
Sensitivity (SPL@1W): 
90dB
Frequency Response: 
40Hz - 20Khz
Three Way Systems
FB 6.2 Kit
Three Way System with two 1.1 Tweeters, two crossovers, two FB 2.5" WMT Full Range and two FB 6.1 Mid/Basses
1" Silk Dome Neodymium Tweeter
2.5" Fiberglass Cone WMT Full Range Driver with High-Tight Fiber Basket
6.5" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover
Power Handling RMS/MAX: 
80/160 Watts
Sensitivity (SPL@1W): 
89dB
Frequency Response: 
40Hz - 20Khz
FB 6.3 Kit
Three Way System with two 1.1 Tweeters, two crossovers, two FB 3.1 Midranges and two FB 6.1 Mid/Basses
1" Silk Dome Neodymium Tweeter
3" Fiberglass Cone Midrange Driver with High-Tight Fiber Basket
6.5" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover
Power Handling RMS/MAX: 
80/160 Watts
Sensitivity (SPL@1W): 
89dB
Frequency Response: 
40Hz - 20Khz
FB PRO
FB 5.1 PRO
Kit Two Way System with two 1.1 Tweeters, two crossovers and two FB 5.1 PRO Mid/Basses
1" Silk Dome Neodymium Tweeter
5.25" Fiberglass/Kevlar Dual Layer Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover
Power Handling RMS/MAX: 
120/240 Watts
Sensitivity (SPL@1W): 
89dB
Frequency Response: 
45Hz - 20Khz
FB 6.1 PRO Kit
Two Way System with two 1.1 Tweeters, two crossovers and two FB 6.1 PRO Mid/Basses
1" Silk Dome Neodymium Tweeter
6.5" Fiberglass/Kevlar Dual Layer Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover
Power Handling RMS/MAX: 
120/240 Watts
Sensitivity (SPL@1W): 
90dB
Frequency Response: 
40Hz - 20Khz
Tweeters
1.1
1" Silk Dome Neodymium Tweeter
Power Handling RMS/MAX: 
15/50 Watts
Sensitivity (SPL@1W): 
91dB
Frequency Response: 
2.5Khz - 20Khz
Midranges
FB 2.5" WMT
Power Handling RMS/MAX: 
30/80 Watts
Sensitivity (SPL@1W): 
92dB
Frequency Response: 
0.2Khz - 20Khz
FB 3.1 Midrange
Power Handling RMS/MAX: 
30/80 Watts
Sensitivity (SPL@1W): 
92dB
Frequency Response: 
0.3Khz - 5.5Khz
Mid/Basses
FB 4.1 Mid/Bass
Power Handling RMS/MAX:
50/100 Watts
Sensitivity (SPL@1W): 
91dB
Frequency Response From: 
55hz
FB 5.1 Mid/Bass
Power Handling RMS/MAX:

60/120 Watts
Sensitivity (SPL@1W): 
92dB
Frequency Response From: 45hz
FB 6.1 Mid/Bass
Power Handling RMS/MAX:

80/160 Watts
Sensitivity (SPL@1W): 
92dB
Frequency Response From: 
40hz
FB 5.1 PRO Mid/Bass
Power Handling RMS/MAX:
60/120 Watts
Sensitivity (SPL@1W): 
92dB
Frequency Response From: 45hz
FB 6.1 PRO Mid/Bass
Power Handling RMS/MAX:
80/160 Watts
Sensitivity (SPL@1W): 
92dB
Frequency Response From: 
40hz
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